package org.jeecg.modules.dry.mqtt;
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import cn.hutool.core.thread.ThreadUtil;
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import com.alibaba.fastjson.JSONObject;
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import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken;
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import org.eclipse.paho.client.mqttv3.MqttCallback;
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import org.eclipse.paho.client.mqttv3.MqttMessage;
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import org.jeecg.common.constant.CommonConstant;
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import org.jeecg.common.constant.MqttConstant;
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import org.jeecg.common.util.DateUtils;
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import org.jeecg.common.util.RedisUtil;
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import org.jeecg.modules.base.service.BaseCommonService;
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import org.jeecg.modules.dry.api.EmqxApi;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.context.annotation.Scope;
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import org.springframework.stereotype.Component;
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@Component
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@Scope("prototype")
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public class MqttSampleCallback implements MqttCallback {
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@Value(value = "${jeecg.mqtt.role}")
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private String role;
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@Autowired
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private MqttUtil mqttUtil;
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@Autowired
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private EmqxApi emqxApi;
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@Autowired
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private BaseCommonService baseCommonService;
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@Autowired
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private RedisUtil redisUtil;
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@Override
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public void connectionLost(Throwable throwable) {
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System.err.println("连接断开：：掉线");
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}
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@Override
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public void messageArrived(String topic, MqttMessage mqttMessage) throws Exception {
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System.out.println("收到消息: \n topic：" + topic + "\n Qos：" + mqttMessage.getQos() + "\n payload："
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+ new String(mqttMessage.getPayload()));
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switch (role) {
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// 管理员
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case "admin":
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String message = new String(mqttMessage.getPayload());
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JSONObject messageJson = JSONObject.parseObject(message);
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if (topic.startsWith("$SYS/brokers/") && topic.endsWith("connected")) {
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JSONObject client = (JSONObject) redisUtil.get(MqttConstant.MQTT_ONLINE_CLIENT + messageJson.get("clientid"));
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if (client == null) {
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JSONObject item = new JSONObject();
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//username
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item.put("username", messageJson.get("username"));
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//连接时间
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Long st = messageJson.getLong("connected_at");
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String upTime = DateUtils.timestamptoStr(st, DateUtils.datetimeFormat.get());
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item.put("connectedAt", upTime);
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//clientid
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String clientid = messageJson.getString("clientid");
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item.put("clientid", clientid);
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//是否连接
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item.put("connected", true);
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//
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String[] info = clientid.split("-");
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item.put("type", info[0]);
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item.put("tenantId", info[1]);
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item.put("code", info[2]);
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redisUtil.set(MqttConstant.MQTT_ONLINE_CLIENT + clientid, item);
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System.err.println(String.format("设备: %s上线", clientid));
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}
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}
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if (topic.startsWith("$SYS/brokers/") && topic.endsWith("disconnected")) {
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String clientid = messageJson.getString("clientid");
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redisUtil.del(MqttConstant.MQTT_ONLINE_CLIENT + clientid);
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System.err.println(String.format("设备: %s下线", clientid));
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}
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parseAdminCommand(topic, mqttMessage);
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break;
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// 普通用户
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case "user":
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System.err.println("user");
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parseUserCommand(topic, mqttMessage);
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break;
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}
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}
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@Override
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public void deliveryComplete(IMqttDeliveryToken iMqttDeliveryToken) {
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System.err.println("消息传递成功");
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}
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// 解析admin角色指令
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private void parseAdminCommand(String topic, MqttMessage mqttMessage) {
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String message = new String(mqttMessage.getPayload());
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JSONObject messageJson = JSONObject.parseObject(message);
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//请求的客户端(服务端只推送数据到请求的客户端)
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StringBuilder req = new StringBuilder();
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if (messageJson.containsKey("req")) {
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req.append(messageJson.get("req"));
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}
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//前端传参时间戳转换
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if (messageJson.containsKey("timestamp")) {
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messageJson.put("timestamp", DateUtils.zone2Str(messageJson.get("timestamp").toString()));
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}
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baseCommonService.addLog(message, CommonConstant.LOG_TYPE_MQTT, CommonConstant.OPERATE_MQTT_1);
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switch (topic) {
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// 查询设备在线
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case MqttConstant.MOBILE_QUERY_EQU_STATU:
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System.err.println("admin收到" + topic);
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// 根据设备id查询设备mqtt在线状态
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String clientId = messageJson.getString("clientId");
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JSONObject client = (JSONObject) redisUtil.get(MqttConstant.MQTT_ONLINE_CLIENT + clientId);
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ThreadUtil.execute(() -> {
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if (client == null || client.isEmpty()) {
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JSONObject res = new JSONObject();
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res.put("success", false);
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res.put("msg", "查询失败");
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try {
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MqttMessage sendMessage = new MqttMessage(res.toJSONString().getBytes());
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sendMessage.setQos(0);
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mqttUtil.getMqttClient().publish(String.format(MqttConstant.SERVICE_RES_EQU_STATU, req), sendMessage);
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} catch (Exception e) {
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e.printStackTrace();
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}
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return;
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}
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client.put("success", true);
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client.put("msg", "查询成功");
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try {
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MqttMessage sendMessage = new MqttMessage(client.toJSONString().getBytes());
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sendMessage.setQos(0);
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mqttUtil.getMqttClient().publish(String.format(MqttConstant.SERVICE_RES_EQU_STATU, req), sendMessage);
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baseCommonService.addLog(client.toString(), CommonConstant.LOG_TYPE_MQTT, CommonConstant.OPERATE_MQTT_2);
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} catch (Exception e) {
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e.printStackTrace();
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}
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});
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break;
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}
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}
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// 解析user角色指令
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private void parseUserCommand(String topic, MqttMessage mqttMessage) {
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String message = new String(mqttMessage.getPayload());
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JSONObject messageJson = JSONObject.parseObject(message);
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//请求的客户端(服务端只推送数据到请求的客户端)
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StringBuilder req = new StringBuilder();
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if (messageJson.containsKey("req")) {
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req.append(messageJson.get("req"));
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}
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//前端传参时间戳转换
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if (messageJson.containsKey("timestamp")) {
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messageJson.put("timestamp", DateUtils.zone2Str(messageJson.get("timestamp").toString()));
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}
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switch (topic) {
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case MqttConstant.MOBILE_REQ_EQU_CMD:
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System.err.println("user收到" + topic);
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System.err.println(message);
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ThreadUtil.execute(() -> {
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//TODO 向PLC发送开关机操作，并返回信息
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JSONObject res = new JSONObject();
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res.put("success", true);
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res.put("msg", "操作成功");
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try {
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MqttMessage sendMessage = new MqttMessage(JSONObject.toJSONString(res).getBytes());
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sendMessage.setQos(0);
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mqttUtil.getMqttClient().publish(String.format(MqttConstant.SERVICE_RES_EQU_CMD, req), sendMessage);
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baseCommonService.addLog(res.toString(), CommonConstant.LOG_TYPE_MQTT, CommonConstant.OPERATE_MQTT_2);
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} catch (Exception e) {
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e.printStackTrace();
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}
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});
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break;
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}
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}
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}
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